0.0.2

Moving & Repackage

1. Change path for OpenAPI specification to /_${service_name}/openapi
2. Move artifacts to group org.taymyr.lagom
3. Repackage sources to org.taymyr.lagom.openapi
4. Migrate interface to Kotlin
5. Up maven to '3.5.4' (for fix https://issues.sonatype.org/browse/OSSRH-37292)